Siemens BQD135 - 35 A, 277 V, 1-Pole Bolt-On Circuit Breaker | AmpState

Meet the Siemens BQD135 — a purpose-built bolt-on circuit breaker designed for modern electrical panels. With a 35A rating at 277V, this 1‑pole molded‑case breaker delivers reliable branch‑circuit overcurrent and short‑circuit protection where you need it most.

Built for secure, vibration‑resistant connections, the bolt-on mounting locks the breaker solidly into your panelboard bus, reducing movement-related trips in environments with vibration or equipment activity. The thermal‑magnetic trip unit provides stable, repeatable protection: the thermal element handles sustained overloads while the magnetic element delivers instantaneous response to short circuits.

• Optimal compatibility: designed to work with matching OEM Siemens loadcenters and panelboards for a seamless fit and dependable performance.
• Versatile application: ideal for residential, commercial, and light industrial circuits that run at 277V, including lighting, small equipment, and other branch circuits.
• One‑pole protection: single hot conductor protection in panels that require reliable, compact cell layout with bolt‑on mounting.

Why choose the Siemens BQD135? If you’re upgrading or outfitting a Siemens‑spec panelboard or loadcenter, this breaker offers a precise fit with proven performance. Its 35A rating ensures appropriate protection for common branch loads while keeping the panel interior tidy and wiring organized.

Technical snapshot:

• Manufacturer: Siemens
• Part Number: BQD135
• Type: Thermal‑magnetic molded case circuit breaker
• Amperage Rating: 35A
• Voltage Rating: 277V
• Number of Poles: 1
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short‑circuit protection

For electricians and facilities professionals prioritizing reliability, the Siemens BQD135 is a durable, straightforward choice that keeps commercial or light industrial spaces powered safely. Add it to your panel assembly to ensure robust protection, easier installation, and compatibility with your existing Siemens panel ecosystem.